19997268144

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{838249}}^1$

素因数の和:838338

約数の個数: 80

約数和(自身を含む): 59871168000

約数和(自身を除く): 39873899856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 71, 84, 112, 142, 168, 213, 284, 336, 426, 497, 568, 852, 994, 1136, 1491, 1704, 1988, 2982, 3408, 3976, 5964, 7952, 11928, 23856, 838249, 1676498, 2514747, 3352996, 5029494, 5867743, 6705992, 10058988, 11735486, 13411984, 17603229, 20117976, 23470972, 35206458, 40235952, 46941944, 59515679, 70412916, 93883888, 119031358, 140825832, 178547037, 238062716, 281651664, 357094074, 416609753, 476125432, 714188148, 833219506, 952250864, 1249829259, 1428376296, 1666439012, 2499658518, 2856752592, 3332878024, 4999317036, 6665756048, 9998634072, 19997268144]

約数ペア:

[(1, 19997268144), (2, 9998634072), (3, 6665756048), (4, 4999317036), (6, 3332878024), (7, 2856752592), (8, 2499658518), (12, 1666439012), (14, 1428376296), (16, 1249829259), (21, 952250864), (24, 833219506), (28, 714188148), (42, 476125432), (48, 416609753), (56, 357094074), (71, 281651664), (84, 238062716), (112, 178547037), (142, 140825832), (168, 119031358), (213, 93883888), (284, 70412916), (336, 59515679), (426, 46941944), (497, 40235952), (568, 35206458), (852, 23470972), (994, 20117976), (1136, 17603229), (1491, 13411984), (1704, 11735486), (1988, 10058988), (2982, 6705992), (3408, 5867743), (3976, 5029494), (5964, 3352996), (7952, 2514747), (11928, 1676498), (23856, 838249)]